Example #1
0
def main():
    num_graph = 0
    for graph in Graphs:
        formulas_in = graph_formulas[num_graph]
        status = 1
        index = 1
        alpha_node(graph)
        while status == 1:
            for node in range(index, len(graph.nodes()) + 1):
                start_length = len(graph.nodes())

                alpha_node_solve(graph, node)

                beta_node_solve(graph, node, formulas_in)

                gamma_node_solve(graph, node, formulas_in)

                delta_node_solve(graph, node, formulas_in)

                alpha_node_solve(graph, node)

                beta_node_solve(graph, node, formulas_in)

                gamma_node_solve(graph, node, formulas_in)

                delta_node_solve(graph, node, formulas_in)

                end_length = len(graph.nodes())
                if start_length < end_length:
                    diff = end_length - start_length
                    index = index + 1
                elif index < len(graph.nodes()):
                    index = index + 1
                else:
                    status = 0
        num_graph += 1

    """
        :finding inconsistencies in the model
    """
    index_inconsistent = []
    for i in range(0, len(Graphs)):
        graph = Graphs[i]
        for node in graph.nodes():
            consistent_list = graph.node[node]
            status = sols.inconsistent(consistent_list)
            if status == True:
                index_inconsistent.append(i)
            else:
                status == False
    index_inconsistent = list(set(index_inconsistent))
    # removing inconsistent graphs- models
    if index_inconsistent is not []:
        for num in reversed(index_inconsistent):
            del Graphs[num]

    """
        :display and save as pictures all the exiting graphs in the list
    """
    gr.final_graphs(Graphs, psi)
Example #2
0
def main():
    num_graph = 0
    for graph in Graphs:
        #dictionary of nodes: ticked formulas
        formulas_in = graph_formulas[num_graph]

        #initialise loop parameters
        status = 1;
        index = 1;
        #initial solve for alpha
        alpha_node(graph)

        #iterate over all nodes and all formulas inside them
        while status == 1:
            length = len(graph.nodes())+1
            for node in range(index,length):
                #initial number of nodes
                start_length = len(graph.nodes())

                #set internal status to False
                status_inside = False

                #verify whether node exists
                try:
                    value_node = graph.node[node]
                except:
                    #move on if it does not exists
                    status_inside = True
                    pass

                #when internal status is true add edge between them
                if status_inside == True:
                    pass

                else:
                    alpha_node_solve(graph,node)
                    beta_node_solve(graph, node, formulas_in)
                    delta_node_solve(graph,node,formulas_in)
                    alpha_node_solve(graph,node)
                    beta_node_solve(graph, node, formulas_in)
                    delta_node_solve(graph, node, formulas_in)

                    #new variable to store current node
                    current_node = node
                    #number of node at this stage
                    new_num_nodes = len(graph.nodes())

                    #deal with new nodes and compare them with existing ones
                    if new_num_nodes-current_node > 0:
                        for i in range(new_num_nodes,current_node,-1):
                            #if the last new node is the same as
                            try:
                                if graph.node[current_node] == graph.node[new_num_nodes] and ((current_node,new_num_nodes) in graph.edges()):
                                    graph.remove_node(new_num_nodes)
                                    new_num_nodes = len(graph.nodes())
                                    pass
                                for all_nodes in range(1,new_num_nodes-1):
                                    if (graph.node[new_num_nodes]==graph.node[all_nodes]) and ((all_nodes,new_num_nodes) not in graph.edges()):
                                        graph.add_edge(current_node,all_nodes)
                                        graph.remove_node(new_num_nodes)
                                        new_num_nodes = len(graph.nodes())
                                        break
                            except:
                                pass

                            try:
                                temp_node = graph.node[i]
                            except:
                                pass

                            status_inside2 = False
                            for exist in range(1,current_node):
                                if temp_node == graph.node[exist] and temp_node != exist:
                                    #if the same node exists set status to true and exit the loop
                                    status_inside2 = True
                                    break

                            #deal with the node that already exists
                            if status_inside2 == True:
                                #remove the new_node which already exists
                                try:
                                    graph.remove_node(i)
                                except:
                                    continue
                                #add an edge from the node to existing node
                                graph.add_edge(current_node,exist)

                                #get currrent list of nodes in the graph
                                list_of_nodes = graph.nodes()

                                #check nodes that have id > than deleted node and change ids, ids cannot have gaps in numbering
                                new_counter = i
                                temp_value = 0
                                for sig_node in list_of_nodes:
                                    #when id of the node is greater than the deleted one deal with it
                                    if (sig_node > new_counter+temp_value) and ((new_counter+temp_value) not in list_of_nodes):
                                        #add missing node
                                        try:
                                            graph.add_node(new_counter+temp_value)
                                            #assign set of formulas to a new node
                                            graph.node[new_counter+temp_value] = graph.node[sig_node]
                                        except:
                                            graph.remove_node(new_counter+temp_value)
                                            break

                                        #scan predecessor of the higher node and deal with edges
                                        predecessor = graph.predecessors(sig_node)

                                        for pred in predecessor:
                                            graph.add_edge(pred,new_counter+temp_value)

                                        #after we dealt with edges we can remove the higher order node
                                        graph.remove_node(sig_node)

                                        #get the current list of nodes
                                        list_of_nodes = graph.nodes()

                                        # increment temp_value in case there are more nodes in the list
                                        temp_value += 1

                end_length = len(graph.nodes())
                if start_length < end_length:
                    diff = end_length - start_length
                    index = index+1
                elif index < len(graph.nodes()):
                    index = index+1
                else:
                    status = 0;

        #increment number of graphs to get correct list with used formulas
        num_graph += 1

    '''
        :finding inconsistencies in the model
    '''
    index_inconsistent =[]
    for i in range(0,len(Graphs)):
        graph = Graphs[i]
        for node in graph.nodes():
            consistent_list = graph.node[node]
            status = sols.inconsistent(consistent_list)
            if status == True:
                index_inconsistent.append(i)
            else:
                status == False
    index_inconsistent = list(set(index_inconsistent))
    # removing inconsistent graphs- models
    if index_inconsistent is not []:
        for num in reversed(index_inconsistent):
            del Graphs[num];

    '''
        :display and save as pictures all the exiting graphs in the list
    '''
    gr.final_graphs(Graphs,psi)